6x-8 + 2x+2 + 90 = 180
8x - 6 = 90
8x = 96
x = 12°
luego reemplazar: 6(12)- 8 y 2(12)+2
72-8 = 64 24+2=26
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6x-8 + 2x+2 + 90 = 180
8x - 6 = 90
8x = 96
x = 12°
luego reemplazar: 6(12)- 8 y 2(12)+2
72-8 = 64 24+2=26